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Korean: 톤블루
South Korea
ToneBlue (톤블루) is a South Korean singer-songwriter and composer under Letter Music. She made her debut on August 13, 2020 with "I Think I'm Ready".
Lisa
IU
Sana
Momo
Dahyun
Tzuyu
Jisoo
Jennie
…
Full album 2 days
Mini album 2 days